From patchwork Thu Jan 5 18:03:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 639632 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56A28C3DA7A for ; Thu, 5 Jan 2023 18:03:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235191AbjAESDu (ORCPT ); Thu, 5 Jan 2023 13:03:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230015AbjAESDs (ORCPT ); Thu, 5 Jan 2023 13:03:48 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43106564CB; Thu, 5 Jan 2023 10:03:47 -0800 (PST) Received: from jupiter.universe (dyndsl-085-016-198-020.ewe-ip-backbone.de [85.16.198.20]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id 49DD46602CCE; Thu, 5 Jan 2023 18:03:45 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1672941825; bh=xIMSW4AOlAHM6XznKwVJh8dNalSiPuEcNwEAA+jCX+Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ARcEhpNhY8IjBHP1mZiLKhnqOgnoKS1kPMfjbrZixL0pJ13OycZhhxh8Ctc6eQAE5 soGLACoxLgOJZ3n+9Pl//W7Rz46EPVWcFNrftD2asguPWfhBn9hcTiul8ZOClVJCux lzvxPvb81YcdDhg3r+fL65mP/xI7/KFnBKUL2TaORQ6ivQlyO/mnRFy9Ov+/Fh02LD rSktOEczDffayNaMzST6/Wxf9LPIngjXFEgsIlx9JRBYOzpEm49EzZMJy1uzlDLqy2 XaZcyWpDt4VmpcJbN5AFHQBwr9Wjv9AEr93cR95bYFiVUNIlA41ZtfGCuXyv1RJEEm h0XTt4o9DLSrw== Received: by jupiter.universe (Postfix, from userid 1000) id A6CFF480119; Thu, 5 Jan 2023 19:03:42 +0100 (CET) From: Sebastian Reichel To: Heiko Stuebner , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui Cc: Rob Herring , Krzysztof Kozlowski , linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCHv3 2/7] thermal: rockchip: Simplify clock logic Date: Thu, 5 Jan 2023 19:03:35 +0100 Message-Id: <20230105180340.29140-3-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230105180340.29140-1-sebastian.reichel@collabora.com> References: <20230105180340.29140-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org By using devm_clk_get_enabled() the clock acquisition and enabling can be done in one step with automatic error handling. Reviewed-by: Heiko Stuebner Signed-off-by: Sebastian Reichel --- drivers/thermal/rockchip_thermal.c | 33 +++++------------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index 8c52700d58e8..74e0ad001b33 100644 --- a/drivers/thermal/rockchip_thermal.c +++ b/drivers/thermal/rockchip_thermal.c @@ -1385,14 +1385,14 @@ static int rockchip_thermal_probe(struct platform_device *pdev) return error; } - thermal->clk = devm_clk_get(&pdev->dev, "tsadc"); + thermal->clk = devm_clk_get_enabled(&pdev->dev, "tsadc"); if (IS_ERR(thermal->clk)) { error = PTR_ERR(thermal->clk); dev_err(&pdev->dev, "failed to get tsadc clock: %d\n", error); return error; } - thermal->pclk = devm_clk_get(&pdev->dev, "apb_pclk"); + thermal->pclk = devm_clk_get_enabled(&pdev->dev, "apb_pclk"); if (IS_ERR(thermal->pclk)) { error = PTR_ERR(thermal->pclk); dev_err(&pdev->dev, "failed to get apb_pclk clock: %d\n", @@ -1400,26 +1400,13 @@ static int rockchip_thermal_probe(struct platform_device *pdev) return error; } - error = clk_prepare_enable(thermal->clk); - if (error) { - dev_err(&pdev->dev, "failed to enable converter clock: %d\n", - error); - return error; - } - - error = clk_prepare_enable(thermal->pclk); - if (error) { - dev_err(&pdev->dev, "failed to enable pclk: %d\n", error); - goto err_disable_clk; - } - rockchip_thermal_reset_controller(thermal->reset); error = rockchip_configure_from_dt(&pdev->dev, np, thermal); if (error) { dev_err(&pdev->dev, "failed to parse device tree data: %d\n", error); - goto err_disable_pclk; + return error; } thermal->chip->initialize(thermal->grf, thermal->regs, @@ -1433,7 +1420,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to register sensor[%d] : error = %d\n", i, error); - goto err_disable_pclk; + return error; } } @@ -1444,7 +1431,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev) if (error) { dev_err(&pdev->dev, "failed to request tsadc irq: %d\n", error); - goto err_disable_pclk; + return error; } thermal->chip->control(thermal->regs, true); @@ -1462,13 +1449,6 @@ static int rockchip_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, thermal); return 0; - -err_disable_pclk: - clk_disable_unprepare(thermal->pclk); -err_disable_clk: - clk_disable_unprepare(thermal->clk); - - return error; } static int rockchip_thermal_remove(struct platform_device *pdev) @@ -1485,9 +1465,6 @@ static int rockchip_thermal_remove(struct platform_device *pdev) thermal->chip->control(thermal->regs, false); - clk_disable_unprepare(thermal->pclk); - clk_disable_unprepare(thermal->clk); - return 0; }